Home / 264,495.36-398,561.28-218,772.48

Finding the Fourth Proportional to 264,495.36, 398,561.28 and 218,772.48

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Solution

The fourth proportional to 264,495.36, 398,561.28 and 218,772.48 is: 329,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,495.36 : 398,561.28 = 218,772.48 : x
  2. Step 2: Convert to fraction form
    264,495.36/398,561.28 = 218,772.48/x
  3. Step 3: Cross multiply
    264,495.36x = 398,561.28 × 218,772.48
  4. Step 4: Simplify right side
    264,495.36x = 87,194,239,657.57
  5. Step 5: Solve for x
    x = 87,194,239,657.57/264,495.36
  6. Step 6: Final answer
    x = 329,662.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.